Physics Exam Past Questions and Answers | JAMB, WAEC and NECO

Physics is the science that studies the nature and properties of matter and energy. It covers topics like motion, heat, light, sound, electricity, magnetism, and the structure of atoms.

• Question 131:

  The gravitational pull on the moon is $\frac{1}{6}$ that of the earth. If a body weighs 6.0 N on the moon,what will be the weight on the earth?

  Options:
  A) 6.0 N
  B) 5.0 N
  C) 12.0 N
  D) 36.0 N
  Show Answer
  The correct answer is D .
• Question 132:
  

  Consider the three forces acting at O and in equilibrium as shown in the figure. Which of the following equations is/are CORRECT?

  I.P${}_1$ cos${\theta }_1$ = p${}_1$ cos ${\theta }_2$

  II. P${}_3$ = P${}_1$ cos ${\theta }_4$ + P${}_{2}co{s}_2$

  III. P${}_1\sin {\theta }_1=P_2\sin {\theta }_2$

  Options:
  A) I only
  B) II only
  C) III only
  D) I, II and III only
  Show Answer
  The correct answer is C .
• Question 133: A body is released from rest and allowed to fall freely from a given height under gravity. The kinetic energy at its half-way point is Options:
  A) a little above half of its initial energy
  B) a little below half of its initial energy
  C) a half of its initioal energy
  D) a little above its initial energy
  E) a little below its initial energy
  Show Answer
  The correct answer is C .
• Question 134:

  

  The acceleration of the system show above is

  Options:
  A) 2ms^-2
  B) 4ms^-2
  C) 6ms^-2
  D) 8ms^-2
  Show Answer
  The correct answer is B .
• Question 135: In comparing the camera and the human eye, the film of the camera function as the Options:
  A) retina
  B) iris
  C) cornea
  D) pupil
  Show Answer
  The correct answer is A .
• Question 136:

  

  Each of the figures in the diagram above represent two current carrying conductors situated close to each other. In which two diagrams, are the forces between the two wires attractive

  Options:
  A) I and V
  B) I and II
  C) II and IV
  D) II and V
  E) III and IV
  Show Answer
  The correct answer is C .
• Question 137:

  

  The diagram above shows a velocity - time graph. The statement that is true about this motion is that the car

  Options:
  A) has no acceleration between point F and G
  B) decelerates between F and H
  C) has a constant soeed between points E and F
  D) Accelerates between points F and G
  Show Answer
  The correct answer is A .
• Question 138:

  

  PQ is a thin rod on a horizontal table, RS is a plane mirror inclined at ${45}^{\circ }C$ to the horizontal as shown above. The image of PQ as seen in the mirror by the eye T is

  Options:
  A) horizontal
  B) parallel to the mirror
  C) at infinity
  D) vertical
  E) highly magnified
  Show Answer
  The correct answer is B .
• Question 139: The ground stated energy for the hydrogen atom is 5.44 x 10^-19J . If an electron drops from zero energy to ground state, calculate the frequency of the emitted radiation. [h = 6.6 x 10^-34 Js] Options:
  A) 5.0 x 10¹⁶ Hz
  B) 2.0 x 10¹⁶ Hz
  C) 5.0 x 10¹⁵ Hz
  D) 2.0 x 10¹⁵ Hz
  E) No correct option
  Show Answer
  The correct answer is E .
• Question 140: If tension is maintained on a stretched string of length 0.6m, such that its fundamental frequency of 220Hz is excited, determine the velocity of the transverse wave in the string. Options:
  A) 528 ms^-1
  B) 264 ms^-1
  C) 132 ms^-1
  D) 66 ms^-1
  Show Answer
  The correct answer is B .